News & Insights
Patent Law Alert -- Proposed Changes to USPTO’s Inter Partes Review Process – Does It Start a New “Race to Judgment” on Patent Invalidity?
Cowan, Liebowitz & Latman Sponsored MCW Global's 26th Anniversary Gala
Deborah Squiers will chair and Robert English will speak at PLI’s Fundamentals of Trademark Law in the Global Marketplace 2026 CLE program
Trademark Law Alert -- A Consent Agreement Walks the Plank
On My Mind Blog
Case Studies
Federal Circuit reverses cancellation of U.S. trademark registrations
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
We established that cigarette rolling paper size designations are generic.
The Second Circuit affirms summary judgment for our client.
We succesfully represented our client, Major League Baseball Partners, Inc.
What They Say
Top brands rely on [Adam] Siegartel for strategic counsel on global brand management and representation in high-stakes disputes.
2026 WTR 1000 – The World’s Leading Trademark Professionals"The trade mark team at Cowan Liebowitz is fantastic to deal with - with heaps of experience and expertise, they know exactly how to deliver client-friendly advice."
2025 Legal 500"Maryann Licciardi is thoroughly recommended for her strong acumen in trademark prosecution, litigation and portfolio management, making her a trusted source of guidance for leading global clients."
2025 Lexology Index"They work seamlessly as a team, manage projects with efficiency, and cultivate enduring relationships with their clients, who recognize and value their responsiveness, commitment, expertise, and professionalism."
2025 Legal 500“’Robert English is a brilliant trademark lawyer and creative thinker.’ He plays a key role in supporting hair brand Amika’s expansion initiatives across global markets.”
2026 WTR 1000 – The World’s Leading Trademark Professionals
Why Us
Founded in 1957, we maintain long-term relationships by providing sound advice, quality legal work, and highly-responsive, personalized service.
What We Do
We represent clients of all sizes across a broad range of industries. The boutique size of our firm, and the breadth of our practice capabilities, allow us to provide a multidisciplinary approach in a cost-effective manner.
Our Clients
Our experience spans a broad range of industries and is international in scope. We appreciate the opportunity of growing with successful companies and brands, as well as creative individuals and accomplished executives.










